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MCP48FVB21 数据表(PDF) 7 Page - Microchip Technology |
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MCP48FVB21 数据表(HTML) 7 Page - Microchip Technology |
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7 / 84 page  2015 Microchip Technology Inc. DS20005466A-page 7 MCP48FVBXX DC CHARACTERISTICS (CONTINUED) DC Characteristics Standard Operating Conditions (unless otherwise specified): Operating Temperature: -40°C TA +125°C (Extended) Unless otherwise noted, all parameters apply across these specified operating ranges: VDD = +2.7V to 5.5V, VREF = +2.048V to VDD, VSS = 0V Gx = ‘0’, RL = 5 k from VOUT to VSS, CL = 100 pF Typical specifications represent values for VDD = 5.5V, TA = +25°C. Parameters Sym. Min. Typ. Max. Units Conditions Supply Current IDD — — 320 µA Single 1MHz (2) Serial Interface Active (Not High-Voltage Command) VRxB:VRxA = ‘01’ (6) VOUT is unloaded, VDD = 5.5V Volatile DAC Register = 000h — — 910 µA 10 MHz (2) — — 1.7 mA 20 MHz — — 510 µA Dual 1 MHz (2) —— 1.1 mA 10 MHz (2) — — 1.85 mA 20 MHz — — 250 µA Single 1 MHz (2) Serial Interface Active (Not High-Voltage Command) VRxB:VRxA = ‘10’ (4) VOUT is unloaded. VREF = VDD = 5.5V Volatile DAC Register = 000h — — 840 µA 10 MHz (2) —— 1.65 mA 20 MHz (2) — — 380 µA Dual 1 MHz (2) — — 970 µA 10 MHz (2) —— 1.75 mA 20 MHz (2) — — 180 µA Single Serial Interface Inactive (2) (Not High-Voltage Command) VRxB:VRxA = ‘00’ SCK = SDI = VSS VOUT is unloaded. Volatile DAC Register = 000h — — 380 µA Dual — — 180 µA Single Serial Interface Inactive (2) (Not High-Voltage Command) VRxB:VRxA = ‘11’, VREF = VDD SCK = SDI = VSS VOUT is unloaded. Volatile DAC Register = 000h — — 380 µA Dual — 145 180 µA Single HVC = 12.5V (High-Voltage Command) Serial Interface Inactive VREF = VDD = 5.5V, LAT/HVC = VIHH DAC registers = 000h VOUT pins are unloaded — 260 400 µA Dual Power-Down Current IDDP —0.65 3.8 µA PDxB:PDxA = ‘01’ (5) VOUT not connected Note 2 This parameter is ensured by characterization. Note 4 Supply current is independent of current through the resistor ladder in mode VRxB:VRxA = ‘10’. Note 5 The PDxB:PDxA = ‘01’, ‘10’, and ‘11’ configurations should have the same current. Note 6 By design, this is the worst-case current mode. |
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